To stumble twice against the same stone is a proverbial disgrace.

You will soon break the bow if you keep it always stretched.

Failure is the foundation of success, and the means by which it is achieved.

Man knows so much and does so little.

The wise say that our failure is to form habits: for habit is the mark of a stereotyped world.

Do not be afraid of mistakes, providing you do not make the same one twice.

Nature never excuses lapses.

If something's important enough, you should try. Even if you - the probable outcome is failure.

Failure is not a single, cataclysmic event. You don't fail overnight. Instead, failure is a few errors in judgement, repeated every day.

Great services are not canceled by one act or by one single error.

Failing to prepare is preparing to fail.

As soon as the fear approaches near, attack and destroy it.

The worst prison would be a closed heart.

Dwelling on negative thoughts is like fertilizing weeds.

A person should not be too honest. Straight trees are cut first and honest people are screwed first.

Failure is unimportant. It takes courage to make a fool of yourself.

Pollution is nothing but the resources we are not harvesting. We allow them to disperse because we've been ignorant of their value.

You have committed a double mistake, firstly by not keeping the engagement yesterday and secondly, by coming when you were not expected.

Discontent, blaming, complaining, self-pity cannot serve as a foundation for a good future, no matter how much effort you make.

Any man can make mistakes, but only an idiot persists in his error.

But man is not made for defeat,'he said. 'A man can be destroyed but not defeated.